id:A032486 - OEIS Search Results

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Numbers n such that 219*2^n+1 is prime.

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1, 2, 3, 9, 13, 14, 17, 21, 22, 25, 27, 51, 58, 99, 138, 197, 325, 386, 413, 475, 529, 771, 826, 1114, 1981, 2249, 2333, 2673, 3171, 3534, 5214, 7197, 7275, 9307, 16321, 16851, 17993, 18753, 19825, 26165, 27477, 27997, 33253, 64537, 64694, 71259 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`Ray Ballinger, Proth Search Page` `Ray Ballinger and Wilfrid Keller, List of primes k.2^n + 1 for k < 300` `Wilfrid Keller, List of primes k.2^n - 1 for k < 300` `Index entries for sequences of n such that k2^n-1 (or k2^n+1) is prime`
	CROSSREFS	`Sequence in context: A057017 A047162 A155929 this_sequence A123859 A048744 A057293` `Adjacent sequences: A032483 A032484 A032485 this_sequence A032487 A032488 A032489`
	KEYWORD	`nonn,hard`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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